Home / 13,701.92-20,547.81-6,679.89

Finding the Fourth Proportional to 13,701.92, 20,547.81 and 6,679.89

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Solution

The fourth proportional to 13,701.92, 20,547.81 and 6,679.89 is: 10,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.92 : 20,547.81 = 6,679.89 : x
  2. Step 2: Convert to fraction form
    13,701.92/20,547.81 = 6,679.89/x
  3. Step 3: Cross multiply
    13,701.92x = 20,547.81 × 6,679.89
  4. Step 4: Simplify right side
    13,701.92x = 137,257,110.54
  5. Step 5: Solve for x
    x = 137,257,110.54/13,701.92
  6. Step 6: Final answer
    x = 10,017.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.